Home / 13,376.97-20,064.78-6,351.84

Finding the Fourth Proportional to 13,376.97, 20,064.78 and 6,351.84

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Solution

The fourth proportional to 13,376.97, 20,064.78 and 6,351.84 is: 9,527.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.97 : 20,064.78 = 6,351.84 : x
  2. Step 2: Convert to fraction form
    13,376.97/20,064.78 = 6,351.84/x
  3. Step 3: Cross multiply
    13,376.97x = 20,064.78 × 6,351.84
  4. Step 4: Simplify right side
    13,376.97x = 127,448,272.20
  5. Step 5: Solve for x
    x = 127,448,272.20/13,376.97
  6. Step 6: Final answer
    x = 9,527.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.